the forming surface-element being the same for different sections of the column

Patents Grantslast 30 patents

  • Information Patent Grant

    Conversion corner chamfer for form work

    • Patent number 6,865,859
    • Issue date Mar 15, 2005
    • Dayton Superior Corporation
    • Robert J. Flathau
    • E04 - BUILDING
  • Information Patent Grant

    Outside conversion corner for form work

    • Patent number 6,733,059
    • Issue date May 11, 2004
    • Safway Formwork Systems, LLC
    • Robert J. Flathau
    • E04 - BUILDING
  • Information Patent Grant

    Outside conversion corner for form work

    • Patent number 6,419,204
    • Issue date Jul 16, 2002
    • Safway Formwork Systems, LLC
    • Robert J. Flathau
    • E04 - BUILDING
  • Information Patent Grant

    2582168

    • Patent number 2,582,168
    • Issue date Jan 8, 1952
    • E04 - BUILDING
  • Information Patent Grant

    2443059

    • Patent number 2,443,059
    • Issue date Jun 8, 1948
    • E04 - BUILDING
  • Information Patent Grant

    1861766

    • Patent number 1,861,766
    • Issue date Jun 7, 1932
    • E04 - BUILDING
  • Information Patent Grant

    1606892

    • Patent number 1,606,892
    • Issue date Nov 16, 1926
    • E04 - BUILDING
  • Information Patent Grant

    1603748

    • Patent number 1,603,748
    • Issue date Oct 19, 1926
    • E04 - BUILDING
  • Information Patent Grant

    1473965

    • Patent number 1,473,965
    • Issue date Nov 13, 1923
    • E04 - BUILDING
  • Information Patent Grant

    1473964

    • Patent number 1,473,964
    • Issue date Nov 13, 1923
    • E04 - BUILDING

Patents Applicationslast 30 patents